﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using XYW.DBUtility;//Please add references
namespace XYW.DAL
{
	/// <summary>
	/// 数据访问类:News
	/// </summary>
	public partial class News
	{
		public News()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("ID", "News"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from News");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
			parameters[0].Value = ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(XYW.Model.News model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into News(");
			strSql.Append("title,outline,newsContent,author,pubDate,department,classify,sortBy,totalClick,showInHomepage,isImage,imageThumb)");
			strSql.Append(" values (");
			strSql.Append("@title,@outline,@newsContent,@author,@pubDate,@department,@classify,@sortBy,@totalClick,@showInHomepage,@isImage,@imageThumb)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@title", SqlDbType.VarChar,100),
					new SqlParameter("@outline", SqlDbType.VarChar,600),
					new SqlParameter("@newsContent", SqlDbType.VarChar),
					new SqlParameter("@author", SqlDbType.VarChar,50),
					new SqlParameter("@pubDate", SqlDbType.DateTime),
					new SqlParameter("@department", SqlDbType.VarChar,50),
					new SqlParameter("@classify", SqlDbType.VarChar,50),
					new SqlParameter("@sortBy", SqlDbType.Int,4),
					new SqlParameter("@totalClick", SqlDbType.Int,4),
					new SqlParameter("@showInHomepage", SqlDbType.Int,4),
					new SqlParameter("@isImage", SqlDbType.Int,4),
					new SqlParameter("@imageThumb", SqlDbType.VarChar,150)};
			parameters[0].Value = model.title;
			parameters[1].Value = model.outline;
			parameters[2].Value = model.newsContent;
			parameters[3].Value = model.author;
			parameters[4].Value = model.pubDate;
			parameters[5].Value = model.department;
			parameters[6].Value = model.classify;
			parameters[7].Value = model.sortBy;
			parameters[8].Value = model.totalClick;
			parameters[9].Value = model.showInHomepage;
			parameters[10].Value = model.isImage;
			parameters[11].Value = model.imageThumb;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(XYW.Model.News model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update News set ");
			strSql.Append("title=@title,");
			strSql.Append("outline=@outline,");
			strSql.Append("newsContent=@newsContent,");
			strSql.Append("author=@author,");
			strSql.Append("pubDate=@pubDate,");
			strSql.Append("department=@department,");
			strSql.Append("classify=@classify,");
			strSql.Append("sortBy=@sortBy,");
			strSql.Append("totalClick=@totalClick,");
			strSql.Append("showInHomepage=@showInHomepage,");
			strSql.Append("isImage=@isImage,");
			strSql.Append("imageThumb=@imageThumb");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@title", SqlDbType.VarChar,100),
					new SqlParameter("@outline", SqlDbType.VarChar,600),
					new SqlParameter("@newsContent", SqlDbType.VarChar),
					new SqlParameter("@author", SqlDbType.VarChar,50),
					new SqlParameter("@pubDate", SqlDbType.DateTime),
					new SqlParameter("@department", SqlDbType.VarChar,50),
					new SqlParameter("@classify", SqlDbType.VarChar,50),
					new SqlParameter("@sortBy", SqlDbType.Int,4),
					new SqlParameter("@totalClick", SqlDbType.Int,4),
					new SqlParameter("@showInHomepage", SqlDbType.Int,4),
					new SqlParameter("@isImage", SqlDbType.Int,4),
					new SqlParameter("@imageThumb", SqlDbType.VarChar,150),
					new SqlParameter("@ID", SqlDbType.Int,4)};
			parameters[0].Value = model.title;
			parameters[1].Value = model.outline;
			parameters[2].Value = model.newsContent;
			parameters[3].Value = model.author;
			parameters[4].Value = model.pubDate;
			parameters[5].Value = model.department;
			parameters[6].Value = model.classify;
			parameters[7].Value = model.sortBy;
			parameters[8].Value = model.totalClick;
			parameters[9].Value = model.showInHomepage;
			parameters[10].Value = model.isImage;
			parameters[11].Value = model.imageThumb;
			parameters[12].Value = model.ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

        public bool UpdateClassify(string classifyOld,string classifyNew)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update News set ");
            strSql.Append("classify=@classifyNew ");
            strSql.Append(" where classify=@classifyOld");
            SqlParameter[] parameters = {
					new SqlParameter("@classifyNew", SqlDbType.VarChar,50),
                    new SqlParameter("@classifyOld", SqlDbType.VarChar,50)};

            parameters[0].Value = classifyNew;
            parameters[1].Value = classifyOld;
           

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from News ");
			strSql.Append(" where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
			parameters[0].Value = ID;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string IDlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from News ");
			strSql.Append(" where ID in ("+IDlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public XYW.Model.News GetModel(int ID)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 ID,title,outline,newsContent,author,pubDate,department,classify,sortBy,totalClick,showInHomepage,isImage,imageThumb from News ");
            strSql.Append(" where ID=@ID;update News set totalClick=totalClick+1 where ID=@ID");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)
			};
			parameters[0].Value = ID;

			XYW.Model.News model=new XYW.Model.News();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["ID"]!=null && ds.Tables[0].Rows[0]["ID"].ToString()!="")
				{
					model.ID=int.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
				}
				if(ds.Tables[0].Rows[0]["title"]!=null && ds.Tables[0].Rows[0]["title"].ToString()!="")
				{
					model.title=ds.Tables[0].Rows[0]["title"].ToString();
				}
				if(ds.Tables[0].Rows[0]["outline"]!=null && ds.Tables[0].Rows[0]["outline"].ToString()!="")
				{
					model.outline=ds.Tables[0].Rows[0]["outline"].ToString();
				}
				if(ds.Tables[0].Rows[0]["newsContent"]!=null && ds.Tables[0].Rows[0]["newsContent"].ToString()!="")
				{
					model.newsContent=ds.Tables[0].Rows[0]["newsContent"].ToString();
				}
				if(ds.Tables[0].Rows[0]["author"]!=null && ds.Tables[0].Rows[0]["author"].ToString()!="")
				{
					model.author=ds.Tables[0].Rows[0]["author"].ToString();
				}
				if(ds.Tables[0].Rows[0]["pubDate"]!=null && ds.Tables[0].Rows[0]["pubDate"].ToString()!="")
				{
					model.pubDate=DateTime.Parse(ds.Tables[0].Rows[0]["pubDate"].ToString());
				}
				if(ds.Tables[0].Rows[0]["department"]!=null && ds.Tables[0].Rows[0]["department"].ToString()!="")
				{
					model.department=ds.Tables[0].Rows[0]["department"].ToString();
				}
				if(ds.Tables[0].Rows[0]["classify"]!=null && ds.Tables[0].Rows[0]["classify"].ToString()!="")
				{
					model.classify=ds.Tables[0].Rows[0]["classify"].ToString();
				}
				if(ds.Tables[0].Rows[0]["sortBy"]!=null && ds.Tables[0].Rows[0]["sortBy"].ToString()!="")
				{
					model.sortBy=int.Parse(ds.Tables[0].Rows[0]["sortBy"].ToString());
				}
				if(ds.Tables[0].Rows[0]["totalClick"]!=null && ds.Tables[0].Rows[0]["totalClick"].ToString()!="")
				{
					model.totalClick=int.Parse(ds.Tables[0].Rows[0]["totalClick"].ToString());
				}
				if(ds.Tables[0].Rows[0]["showInHomepage"]!=null && ds.Tables[0].Rows[0]["showInHomepage"].ToString()!="")
				{
					model.showInHomepage=int.Parse(ds.Tables[0].Rows[0]["showInHomepage"].ToString());
				}
				if(ds.Tables[0].Rows[0]["isImage"]!=null && ds.Tables[0].Rows[0]["isImage"].ToString()!="")
				{
					model.isImage=int.Parse(ds.Tables[0].Rows[0]["isImage"].ToString());
				}
				if(ds.Tables[0].Rows[0]["imageThumb"]!=null && ds.Tables[0].Rows[0]["imageThumb"].ToString()!="")
				{
					model.imageThumb=ds.Tables[0].Rows[0]["imageThumb"].ToString();
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ID,title,outline,newsContent,author,pubDate,department,classify,sortBy,totalClick,showInHomepage,isImage,imageThumb ");
			strSql.Append(" FROM News ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" ID,title,outline,newsContent,author,pubDate,department,classify,sortBy,totalClick,showInHomepage,isImage,imageThumb ");
			strSql.Append(" FROM News ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM News ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.ID desc");
			}
			strSql.Append(")AS Row, T.*  from News T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "News";
			parameters[1].Value = "ID";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

